Home / 680,310.40-1,019,236.80-601,667.20

Finding the Fourth Proportional to 680,310.40, 1,019,236.80 and 601,667.20

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Solution

The fourth proportional to 680,310.40, 1,019,236.80 and 601,667.20 is: 901,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,310.40 : 1,019,236.80 = 601,667.20 : x
  2. Step 2: Convert to fraction form
    680,310.40/1,019,236.80 = 601,667.20/x
  3. Step 3: Cross multiply
    680,310.40x = 1,019,236.80 × 601,667.20
  4. Step 4: Simplify right side
    680,310.40x = 613,241,351,592.96
  5. Step 5: Solve for x
    x = 613,241,351,592.96/680,310.40
  6. Step 6: Final answer
    x = 901,414.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.